diff --git a/include/linux/agp_backend.h b/include/linux/agp_backend.h
index 09b4478..972b12b 100644
--- a/include/linux/agp_backend.h
+++ b/include/linux/agp_backend.h
@@ -77,7 +77,7 @@
 	u32 physical;
 	bool is_bound;
 	bool is_flushed;
-        u8 vmalloc_flag;
+        bool vmalloc_flag;
 };
 
 #define AGP_NORMAL_MEMORY 0
diff --git a/include/linux/agpgart.h b/include/linux/agpgart.h
index 62aef58..c8fdb6e 100644
--- a/include/linux/agpgart.h
+++ b/include/linux/agpgart.h
@@ -206,8 +206,8 @@
 	struct agp_controller *current_controller;
 	struct agp_controller *controllers;
 	struct agp_file_private *file_priv_list;
-	u8 used_by_controller;
-	u8 backend_acquired;
+	bool used_by_controller;
+	bool backend_acquired;
 };
 
 #endif				/* __KERNEL__ */